21706048

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3727}}^1$

素因数の和:3759

約数の個数: 56

約数和(自身を含む): 53027072

約数和(自身を除く): 31321024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3727, 5824, 7454, 14908, 26089, 29816, 48451, 52178, 59632, 96902, 104356, 119264, 193804, 208712, 238528, 339157, 387608, 417424, 678314, 775216, 834848, 1356628, 1550432, 1669696, 2713256, 3100864, 5426512, 10853024, 21706048]

約数ペア:

[(1, 21706048), (2, 10853024), (4, 5426512), (7, 3100864), (8, 2713256), (13, 1669696), (14, 1550432), (16, 1356628), (26, 834848), (28, 775216), (32, 678314), (52, 417424), (56, 387608), (64, 339157), (91, 238528), (104, 208712), (112, 193804), (182, 119264), (208, 104356), (224, 96902), (364, 59632), (416, 52178), (448, 48451), (728, 29816), (832, 26089), (1456, 14908), (2912, 7454), (3727, 5824)]